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Gopinatth V, Batra AK, Chahla J, Smith MV, Matava MJ, Brophy RH, Knapik DM. Degenerative Meniscus Tears Treated Nonoperatively With Platelet-Rich Plasma Yield Variable Clinical and Imaging Outcomes: A Systematic Review. Arthrosc Sports Med Rehabil 2024; 6:100916. [PMID: 38525288 PMCID: PMC10960087 DOI: 10.1016/j.asmr.2024.100916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Accepted: 02/14/2024] [Indexed: 03/26/2024] Open
Abstract
Purpose To perform a systematic review on clinical and radiologic outcomes for meniscus tears treated nonoperatively with platelet-rich plasma (PRP). Methods A literature search was performed according to the 2020 Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines using keywords and Boolean operators in SCOPUS, PubMed, Medline, and the Cochrane Central Register for Controlled Trials in April 2023. Inclusion criteria were limited to Level I to IV human studies reporting on outcomes of meniscus tears treated nonoperatively with PRP. Results A total of 6 studies, consisting of 184 patients, were identified. There was 1 Level I study and 5 Level IV studies. Mean patient age was 47.8 ± 7.9 years, with 62% (n = 114/184) being female. The medial meniscus was treated in 95.7% (n = 157/164) of patients. Mean follow-up ranged from 75.9 days to 31.9 months. Meniscus tears were generally described as chronic, degenerative, or intrasubstance. In 4 studies, magnetic resonance imaging revealed variable improvement in meniscus grade with complete healing in 0% to 44% of patients and partial healing in 0% to 40% of patients. Four of 5 studies reported significant statistical improvement in pain from baseline to final follow-up. Studies reporting on clinical outcomes showed significant improvements Lysholm score (2 studies), Knee injury and Osteoarthritis Outcome Score total score (2 studies), and Tegner score (1 study). Successful return to sport occurred in 60% to 100% of patients. Two studies reported that most patients were either very satisfied or satisfied following treatment. Conclusions The use of PRP injections for the treatment of meniscus tears led to variable results based on postoperative magnetic resonance evaluation and improvements in clinical outcomes, although the clinical significance remains unclear. The heterogeneity of PRP protocols, short-term follow-up, and lack of comparative studies limit findings. Level of Evidence Level IV, systematic review of Level I to IV studies.
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Affiliation(s)
- Varun Gopinatth
- Saint Louis University School of Medicine, St. Louis, Missouri, U.S.A
| | - Anjay K. Batra
- Midwest Orthopaedics at Rush University Medical Center, Chicago, Illinois, U.S.A
| | - Jorge Chahla
- Midwest Orthopaedics at Rush University Medical Center, Chicago, Illinois, U.S.A
| | - Matthew V. Smith
- Department of Orthopaedic Surgery, Washington University School of Medicine, St. Louis, Missouri, U.S.A
| | - Matthew J. Matava
- Department of Orthopaedic Surgery, Washington University School of Medicine, St. Louis, Missouri, U.S.A
| | - Robert H. Brophy
- Department of Orthopaedic Surgery, Washington University School of Medicine, St. Louis, Missouri, U.S.A
| | - Derrick M. Knapik
- Department of Orthopaedic Surgery, Washington University School of Medicine, St. Louis, Missouri, U.S.A
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Fairley JA, Pollock JW, McIlquham K, Lapner P. Bone channeling in arthroscopic rotator cuff repair: a systematic review and meta-analysis of level I studies. J Shoulder Elbow Surg 2024; 33:210-222. [PMID: 37757905 DOI: 10.1016/j.jse.2023.08.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 08/08/2023] [Accepted: 08/15/2023] [Indexed: 09/29/2023]
Abstract
BACKGROUND There is ongoing controversy regarding the effect of bone channeling in arthroscopic rotator cuff repair. Since the most recent systematic reviews in 2019, several large high-level trials have been completed. This study assessed all available level I randomized controlled trials (RCTs) that compared arthroscopic rotator cuff repair with and without bone marrow channeling. METHODS A systematic search of the Ovid MEDLINE, Embase, and Cochrane Library databases was conducted through mid January 2023. Two reviewers performed screening of studies meeting the eligibility criteria: English-language RCTs in patients aged ≥18 years comparing arthroscopic rotator cuff repair of full-thickness tears with and without bone marrow channeling (channeling group and control group, respectively). Functional scores, pain, healing rates, and reoperations were reviewed using pooled analysis where appropriate. The methodologic quality of included studies was assessed using the Cochrane risk-of-bias tool and the Grading of Recommendations Assessment, Development and Evaluation (GRADE) approach. RESULTS A total of 6 randomized studies (N = 593) met the inclusion criteria. Pooled analysis of all 6 studies showed no significant mean difference in function (1.32; 95% confidence interval [CI], -0.63 to 3.26), as measured by the Constant-Murley score. Retear rates were also not statistically different between groups (risk ratio, 0.99; 95% CI, 0.57 to 1.71), with pooled retear rates of 19.6% (48 of 245) with channeling and 19.8% (51 of 257) without. The other outcomes of interest were only available for analysis in a subset of studies. There were no standardized mean differences in pain (0.09; 95% CI, -0.18 to 0.36), and there were similar reoperation rates (risk ratio, 1.19; 95% CI, 0.43 to 3.34) in the channeling and control groups. For the included studies, the overall quality of evidence by outcome was judged to be moderate (function, pain, and reoperations) or low (retear rates), mainly owing to risk of bias (all outcomes) and inconsistency (retear rates). CONCLUSION The results of this study refute the findings of prior systematic reviews that showed that channeling reduces the retear rate when combined with arthroscopic rotator cuff repair. This meta-analysis of level I evidence, including recent larger RCTs, demonstrates that bone marrow stimulation in the setting of primary arthroscopic rotator cuff repair has no significant effect on functional outcomes, healing, pain, or reoperation rates.
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Affiliation(s)
- Jillian A Fairley
- Division of Orthopaedic Surgery, The Ottawa Hospital, University of Ottawa, Ottawa, ON, Canada
| | - J W Pollock
- Division of Orthopaedic Surgery, The Ottawa Hospital, University of Ottawa, Ottawa, ON, Canada
| | - Katie McIlquham
- Division of Orthopaedic Surgery, The Ottawa Hospital, University of Ottawa, Ottawa, ON, Canada
| | - Peter Lapner
- Division of Orthopaedic Surgery, The Ottawa Hospital, University of Ottawa, Ottawa, ON, Canada.
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Albersheim M, Fedje-Johnston W, Carlson C, Arnoczky SP, Toth F, Shea K, Harper L, Rendahl A, Tompkins M. Cell Count and Cell Density Decrease as Age Increases in Cadaveric Pediatric Medial Menisci. Arthrosc Sports Med Rehabil 2023; 5:100795. [PMID: 37868658 PMCID: PMC10585640 DOI: 10.1016/j.asmr.2023.100795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Accepted: 07/04/2023] [Indexed: 10/24/2023] Open
Abstract
Purpose To examine the histologic changes in terms of cellularity, cell density, and nuclear shape in medial meniscal cellularity during skeletal development using pediatric cadaver specimens. Methods Medial menisci from 26 pediatric cadavers, 11 female and 15 male (total 36 menisci), were obtained from tissue bank. Mean age of female donors was 34 months (1-108 months) and of male donors was 52 months (1-132 months). Menisci were processed and embedded in paraffin blocks. Each tissue block containing 6 representative areas of meniscus (anterior root, anterior horn, body [n = 2], posterior horn, and posterior root) was sectioned at 4 microns and stained with hematoxylin and eosin for evaluation of chondrocyte nuclei. Each of the 6 representative areas was imaged at 10×; one image on peripheral one-third of section, the second image on central two-thirds of the section. FIJI imaging software was used to measure cell count, cell density, and nuclear morphology (1 = perfect circle). Data analysis included linear mixed models, Type II analysis of variance tests, and pairwise tests with the Tukey correction to assess statistical significance. Results Peripheral meniscus was more cellular than central meniscus. The cell count was found to decrease by 14% per year of age. Peripheral cell count decreased at a rate similar to the cell count in the central meniscus. Meniscal cell density was 2× higher peripherally than centrally. Overall average cell density in all locations in the menisci decreased by an average of 14% per year of age. Conclusions The results of this study reveal decreases in cell count, cell density, and circularity as age increases in cadaveric pediatric medial menisci. Clinical Relevance To better understand the development of pediatric menisci at a cellular level and use this knowledge in the future on how to maintain the menisci in a younger, healthier state.
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Affiliation(s)
- Melissa Albersheim
- Department of Orthopedic Surgery, University of Minnesota, Minneapolis, Minnesota, U.S.A
| | - William Fedje-Johnston
- Department of Orthopedic Surgery, University of Minnesota, Minneapolis, Minnesota, U.S.A
- Departments of Veterinary Clinical Sciences, University of Minnesota, St. Paul, Minnesota, U.S.A
| | - Cathy Carlson
- Departments of Veterinary Clinical Sciences, University of Minnesota, St. Paul, Minnesota, U.S.A
| | - Steven P. Arnoczky
- Laboratory for Comparative Orthopaedic Research, Michigan State University, East Lansing, Michigan, U.S.A
| | - Ferenc Toth
- Departments of Veterinary Clinical Sciences, University of Minnesota, St. Paul, Minnesota, U.S.A
| | - Kevin Shea
- Department of Orthopedic Surgery, Stanford University, Redwood City, California, U.S.A
| | - Lindsey Harper
- Departments of Veterinary Clinical Sciences, University of Minnesota, St. Paul, Minnesota, U.S.A
| | - Aaron Rendahl
- Veterinary and Biomedical Sciences, University of Minnesota, St. Paul, Minnesota, U.S.A
| | - Marc Tompkins
- Department of Orthopedic Surgery, University of Minnesota, Minneapolis, Minnesota, U.S.A
- TRIA Orthopedic Center, Bloomington, Minnesota, U.S.A
- Gillette Children’s Specialty Healthcare, Minneapolis, Minnesota, U.S.A
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Dabaghi M, Eras V, Kaltenhaeuser D, Ahmed N, Wildemann B. Allografts for partial meniscus repair: an in vitro and ex vivo meniscus culture study. Front Bioeng Biotechnol 2023; 11:1268176. [PMID: 37901839 PMCID: PMC10603185 DOI: 10.3389/fbioe.2023.1268176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Accepted: 09/11/2023] [Indexed: 10/31/2023] Open
Abstract
The purpose of this study was to evaluate the treatment potential of a human-derived demineralized scaffold, Spongioflex® (SPX), in partial meniscal lesions by employing in vitro models. In the first step, the differentiation potential of human meniscal cells (MCs) was investigated. In the next step, the ability of SPX to accommodate and support the adherence and/or growth of MCs while maintaining their fibroblastic/chondrocytic properties was studied. Control scaffolds, including bovine collagen meniscus implant (CMI) and human meniscus allograft (M-Allo), were used for comparison purposes. In addition, the migration tendency of MCs from fresh donor meniscal tissue into SPX was investigated in an ex vivo model. The results showed that MCs cultured in osteogenic medium did not differentiate into osteogenic cells or form significant calcium phosphate deposits, although AP activity was relatively increased in these cells. Culturing cells on the scaffolds revealed increased viability on SPX compared to the other scaffold materials. Collagen I synthesis, assessed by ELISA, was similar in cells cultured in 2D and on SPX. MCs on micro-porous SPX (weight >0.5 g/cm3) exhibited increased osteogenic differentiation indicated by upregulated expression of ALP and RUNX2, while also showing upregulated expression of the chondrogen-specific SOX9 and ACAN genes. Ingrowth of cells on SPX was observed after 28 days of cultivation. Overall, the results suggest that SPX could be a promising biocompatible scaffold for meniscal regeneration.
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Affiliation(s)
- Mohammad Dabaghi
- Experimental Trauma Surgery, Department of Trauma, Hand and Reconstructive Surgery, Jena University Hospital, Friedrich Schiller University Jena, Jena, Germany
| | - Volker Eras
- German Institute for Cell and Tissue Replacement (DIZG, gemeinnützige GmbH), Berlin, Germany
| | - Daniel Kaltenhaeuser
- German Institute for Cell and Tissue Replacement (DIZG, gemeinnützige GmbH), Berlin, Germany
| | - Norus Ahmed
- German Institute for Cell and Tissue Replacement (DIZG, gemeinnützige GmbH), Berlin, Germany
| | - Britt Wildemann
- Experimental Trauma Surgery, Department of Trauma, Hand and Reconstructive Surgery, Jena University Hospital, Friedrich Schiller University Jena, Jena, Germany
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Oeding JF, Berlinberg EJ, Lu Y, Marigi EM, Okoroha KR, Camp CL, Barlow JD, Krych AJ. Platelet-Rich Plasma and Marrow Venting May Serve as Cost-Effective Augmentation Techniques for Isolated Meniscal Repair: A Decision-Analytical Markov Model-Based Analysis. Arthroscopy 2023; 39:2058-2068. [PMID: 36868533 DOI: 10.1016/j.arthro.2023.02.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 02/06/2023] [Accepted: 02/15/2023] [Indexed: 03/05/2023]
Abstract
PURPOSE To evaluate the cost-effectiveness of 3 isolated meniscal repair (IMR) treatment strategies: platelet-rich plasma (PRP)-augmented IMR, IMR with a marrow venting procedure (MVP), and IMR without biological augmentation. METHODS A Markov model was developed to evaluate the baseline case: a young adult patient meeting the indications for IMR. Health utility values, failure rates, and transition probabilities were derived from the published literature. Costs were determined based on the typical patient undergoing IMR at an outpatient surgery center. Outcome measures included costs, quality-adjusted life-years (QALYs), and the incremental cost-effectiveness ratio (ICER). RESULTS Total costs of IMR with an MVP were $8,250; PRP-augmented IMR, $12,031; and IMR without PRP or an MVP, $13,326. PRP-augmented IMR resulted in an additional 2.16 QALYs, whereas IMR with an MVP produced slightly fewer QALYs, at 2.13. Non-augmented repair produced a modeled gain of 2.02 QALYs. The ICER comparing PRP-augmented IMR versus MVP-augmented IMR was $161,742/QALY, which fell well above the $50,000 willingness-to-pay threshold. CONCLUSIONS IMR with biological augmentation (MVP or PRP) resulted in a higher number of QALYs and lower costs than non-augmented IMR, suggesting that biological augmentation is cost-effective. Total costs of IMR with an MVP were significantly lower than those of PRP-augmented IMR, whereas the number of additional QALYs produced by PRP-augmented IMR was only slightly higher than that produced by IMR with an MVP. As a result, neither treatment dominated over the other. However, because the ICER of PRP-augmented IMR fell well above the $50,000 willingness-to-pay threshold, IMR with an MVP was determined to be the overall cost-effective treatment strategy in the setting of young adult patients with isolated meniscal tears. LEVEL OF EVIDENCE Level III, economic and decision analysis.
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Affiliation(s)
- Jacob F Oeding
- School of Medicine, Mayo Clinic Alix School of Medicine, Rochester, Minnesota, U.S.A; Oslo Sports Trauma Research Center, Norwegian School of Sport Sciences, Oslo, Norway.
| | - Elyse J Berlinberg
- School of Medicine, NYU Grossman School of Medicine, New York, New York, U.S.A
| | - Yining Lu
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, U.S.A
| | - Erick M Marigi
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, U.S.A
| | - Kelechi R Okoroha
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, U.S.A
| | - Christopher L Camp
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, U.S.A
| | - Jonathan D Barlow
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, U.S.A
| | - Aaron J Krych
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, U.S.A
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Feng J, Xu Y, Xu W. [Research progress of knee meniscal repair techniques]. ZHONGGUO XIU FU CHONG JIAN WAI KE ZA ZHI = ZHONGGUO XIUFU CHONGJIAN WAIKE ZAZHI = CHINESE JOURNAL OF REPARATIVE AND RECONSTRUCTIVE SURGERY 2023; 37:885-894. [PMID: 37460187 DOI: 10.7507/1002-1892.202302103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 07/20/2023]
Abstract
Objective To review the research progress of meniscus repair in recent years, in order to provide help for the clinical decision-making of meniscus injury treatment. Methods The domestic and foreign literature related to meniscal repair in recent years was extensively reviewed to summarize the reasons for the prevalence of meniscal repair, surgical indications, various repair methods and long-term effectiveness, the need to deal with mechanical structural abnormalities, biological enhancement repair technology, rehabilitation treatment, and so on. Results In order to delay the occurrence of osteoarthritis, the best treatment of meniscus has undergone an important change from partial meniscectomy to meniscal repair, and the indications for meniscal repair have been expanding. The mid- and long-term effectiveness of different meniscal repair methods are ideal. During meniscus repair, the abnormality of lower limb force line and meniscus protrusion should be corrected at the same time. There are controversies about the biological enhancement technology to promote meniscus healing and rehabilitation programs, which need further study. Conclusion Meniscal repair can restore the normal mechanical conduction of lower limbs and reduce the incidence of traumatic osteoarthritis, but the poor blood supply and healing ability of meniscal tissue bring difficulties to meniscal repair. Further development of new biological enhanced repair technology and individualized rehabilitation program and verification of its effectiveness will be an important research direction.
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Affiliation(s)
- Jianhao Feng
- Department of Orthopaedics, Tongji Hospital, Tongji University, Shanghai, 200065, P. R. China
| | - Yihong Xu
- Department of Joint Surgery, the First Affiliated Hospital of Naval Medical University (Shanghai Changhai Hospital), Shanghai, 200433, P. R. China
| | - Weidong Xu
- Department of Joint Surgery, the First Affiliated Hospital of Naval Medical University (Shanghai Changhai Hospital), Shanghai, 200433, P. R. China
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Everts PA, Mazzola T, Mautner K, Randelli PS, Podesta L. Modifying Orthobiological PRP Therapies Are Imperative for the Advancement of Treatment Outcomes in Musculoskeletal Pathologies. Biomedicines 2022; 10:biomedicines10112933. [PMID: 36428501 PMCID: PMC9687216 DOI: 10.3390/biomedicines10112933] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 11/10/2022] [Accepted: 11/11/2022] [Indexed: 11/18/2022] Open
Abstract
Autologous biological cellular preparations have materialized as a growing area of medical advancement in interventional (orthopedic) practices and surgical interventions to provide an optimal tissue healing environment, particularly in tissues where standard healing is disrupted and repair and ultimately restoration of function is at risk. These cellular therapies are often referred to as orthobiologics and are derived from patient's own tissues to prepare point of care platelet-rich plasma (PRP), bone marrow concentrate (BMC), and adipose tissue concentrate (ATC). Orthobiological preparations are biological materials comprised of a wide variety of cell populations, cytokines, growth factors, molecules, and signaling cells. They can modulate and influence many other resident cells after they have been administered in specific diseased microenvironments. Jointly, the various orthobiological cell preparations are proficient to counteract persistent inflammation, respond to catabolic reactions, and reinstate tissue homeostasis. Ultimately, precisely delivered orthobiologics with a proper dose and bioformulation will contribute to tissue repair. Progress has been made in understanding orthobiological technologies where the safety and relatively easy manipulation of orthobiological treatment tools has been demonstrated in clinical applications. Although more positive than negative patient outcome results have been registered in the literature, definitive and accepted standards to prepare specific cellular orthobiologics are still lacking. To promote significant and consistent clinical outcomes, we will present a review of methods for implementing dosing strategies, using bioformulations tailored to the pathoanatomic process of the tissue, and adopting variable preparation and injection volume policies. By optimizing the dose and specificity of orthobiologics, local cellular synergistic behavior will increase, potentially leading to better pain killing effects, effective immunomodulation, control of inflammation, and (neo) angiogenesis, ultimately contributing to functionally restored body movement patterns.
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Affiliation(s)
- Peter A. Everts
- Education & Research Division, Gulf Coast Biologics, Fort Myers, FL 33916, USA
- Correspondence: ; Tel.: +1-239-961-6457
| | - Timothy Mazzola
- Breakthrough Regenerative Orthopedics, Boulder, CO 80305, USA
| | - Kenneth Mautner
- Department of Physical Medicine and Rehabilitation, Emory University, Atlanta, GA 30329, USA
| | - Pietro S. Randelli
- Instituto Orthopedico Gaetano Pini, Milan University, 20122 Milan, Italy
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